GPT-4o vs GPT-5

Detailed comparison of capabilities, features, and performance.

GPT-4o

GPT-4o

OpenAI
VS
GPT-5

GPT-5

OpenAI
Feature GPT-4o GPT-5
AI Lab OpenAI OpenAI
Context Size 128,000 tokens 272,000 tokens
Max Output Size 4,096 tokens 128,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description The Omni model from OpenAI that reasons across audio vision and text OpenAI's flagship model for coding, reasoning, and agentic tasks across domains.

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